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Keflavik Intl

$390+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
févr. 20 — févr. 271
ven. 2/20
ven. 2/27
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/186:30 am
DCA
-
KEF
1 stop22h 00m
United Airlines
mar. 8/259:15 am
KEF
-
DCA
1 stop29h 03m
United Airlines
Deal found 1/20$534
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2011:00 am
DCA
-
KEF
1 stop18h 30m
Delta
dim. 4/2611:25 am
KEF
-
DCA
1 stop9h 35m
Delta
Deal found 1/19$539
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/205:00 pm
DCA
-
KEF
2 stops12h 30m
Delta
lun. 4/2711:25 am
KEF
-
DCA
1 stop9h 35m
Delta
Deal found 1/19$543
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1812:55 pm
DCA
-
KEF
2 stops39h 00m
Air Canada
mar. 8/259:15 am
KEF
-
DCA
1 stop16h 33m
Air Canada
Deal found 1/20$545
This FlightHub deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/166:00 am
DCA
-
KEF
1 stop21h 55m
Air Canada
lun. 8/249:15 am
KEF
-
DCA
1 stop29h 03m
Air Canada
Deal found 1/19$546
This Booking.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1812:55 pm
DCA
-
KEF
2 stops39h 00m
Air Canada
mer. 8/2610:00 am
KEF
-
DCA
1 stop12h 12m
Air Canada
Deal found 1/20$550
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3011:00 am
DCA
-
KEF
1 stop18h 30m
KLM
mer. 5/611:25 am
KEF
-
DCA
1 stop15h 18m
KLM
Deal found 1/20$553
This KLM deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3011:00 am
DCA
-
KEF
1 stop18h 30m
KLM
mar. 5/511:25 am
KEF
-
DCA
1 stop15h 18m
KLM
Deal found 1/19$554
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/43:40 pm
DCA
-
KEF
1 stop9h 25m
Multiple Airlines
mer. 3/119:55 am
KEF
-
DCA
1 stop15h 20m
Multiple Airlines
Deal found 1/20$561
This FlightHub deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/1412:55 pm
DCA
-
KEF
2 stops39h 00m
Air Canada
dim. 10/189:15 am
KEF
-
DCA
2 stops30h 48m
Air Canada
Deal found 1/18$562
This FlightHub deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/812:55 pm
DCA
-
KEF
2 stops15h 00m
Air Canada
lun. 10/1210:00 am
KEF
-
DCA
2 stops30h 03m
Air Canada
Deal found 1/19$567

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janvier 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$539
(Delta)

One-way from

$390
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$463
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dim. 4/12

5:09 pm-9:30 am

1 stop12h 21m

Reykjavik Keflavik Intl

dim. 4/26

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

ven. 4/24

2:40 pm-9:30 am

2 stops14h 50m

Reykjavik Keflavik Intl

mer. 4/29

11:25 am-5:00 pm

1 stop9h 35m

$543

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 4/21

5:00 pm-9:30 am

2 stops12h 30m

Reykjavik Keflavik Intl

lun. 4/27

11:25 am-5:00 pm

1 stop9h 35m

$543

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

lun. 4/20

5:00 pm-9:30 am

2 stops12h 30m

Reykjavik Keflavik Intl

mer. 4/29

11:25 am-5:00 pm

1 stop9h 35m

$543

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jeu. 5/7

12:59 pm-6:20 am

1 stop13h 21m

Reykjavik Keflavik Intl

dim. 5/10

8:50 am-4:29 pm

1 stop11h 39m

$553

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jeu. 4/30

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

mer. 5/6

11:25 am-10:43 pm

1 stop15h 18m

$553

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

ven. 5/1

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

lun. 5/4

11:25 am-10:43 pm

1 stop15h 18m

$554

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

ven. 5/8

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

mer. 5/13

9:30 am-6:00 pm

1 stop12h 30m

$554

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

ven. 5/1

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

mar. 5/5

11:25 am-5:00 pm

1 stop9h 35m

$554

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

ven. 5/1

5:00 pm-9:30 am

2 stops12h 30m

Reykjavik Keflavik Intl

lun. 5/4

11:25 am-9:34 pm

2 stops14h 09m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 21m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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